Term
| Maxillary Anterior Teeth are what numbers? |
|
Definition
6-11
from patients left to right
6-left maxillary canine
7-left maxillary lateral incisor
8-left central incirsor
9-right central incisor
10-right lateral incisor
11-right maxillary canine |
|
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Term
| Mandibular anteriors are what numbers? |
|
Definition
22-27
From patients left to right
22-left Mandibular canine
23- left mandibular lateral incisor
24-25 = the twins (can't readily tell apart) left and right central mandibular incisors
26-right mandibular lateral incisor
27-right mandibular canine |
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Term
Intro to Dental Anatomy
Where is the Clinical Crown of the tooth located? |
|
Definition
| the clinical crown is the part of the crown that is visible above the gum line |
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Term
Intro to Dental Anatomy
Where is the Anatomical crown located? |
|
Definition
Anatomical crown is the part of the crown above the CEJ
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|
Term
Intro to Dental Anatomy:
Where is the root located? |
|
Definition
| Root is embedded in the alveolar process, covered by cementum |
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|
Term
Intro to Dental Anatomy
What covers the root within the alveolar process? |
|
Definition
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|
Term
Intro to Dental Anatomy:
What is meant by apex of the tooth?
Apical Foramen |
|
Definition
the tip of the root
opening at tip of root |
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Term
Intro to Dental Anatomy
What are the main "layers" of the tooth? |
|
Definition
enamel, dentin, pulp (above CEJ)
alveolar bone, cememtum, pulp (root nerve) |
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|
Term
Intro to Dental Anatomy:
Name 3 things about enamel |
|
Definition
1) makes up the anatomical crown
2) hardest material in the human body
3) incapable of repairing itself
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Term
Intro to Dental Anatomy:
What makes up the bulk of the tooth structure? |
|
Definition
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Term
Intro to Dental Anatomy:
What is directly deep to enamel on crown and cementum on root |
|
Definition
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|
Term
Intro to Dental Anatomy:
Which is harder, enamel or dentin? |
|
Definition
|
|
Term
Intro to Dental Anatomy:
What is the clinical significance of exposed dentin? |
|
Definition
| sensitivity to hot, cold, air, touch by means of dentinal tubules. dentin is live tissue unlike enamel |
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|
Term
Intro to Dental Anatomy:
What coats the root of the tooth below the CEJ? |
|
Definition
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Term
Intro to Dental Anatomy:
What 2 structures join together at the CEJ and what underlying structure do they cover? |
|
Definition
| 1) enamel joins cementum at the CEJ and they cover underlying dentin both above and below the CEJ |
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Term
Intro to Dental Anatomy:
What is the primary function of the cementum? |
|
Definition
| Primary function is to anchor the tooth to the bony socket with the periodontal ligament (attachment fibers) |
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Term
Intro to Dental Anatomy:
What attaches the alveolar bone to the cementum? |
|
Definition
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|
Term
Intro to Dental Anatomy:
What are the 2 jaw bones termed? |
|
Definition
| maxilla (upper) and mandible (lower) |
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|
Term
Intro to Dental Anatomy:
What are the surfaces of the teeth and to what do they refer? |
|
Definition
Faciel- surface of teeth facing the cheeks and lips (labial and buccal)
Buccal-surface of teeth adjacent to cheeks
Labial- surface facing the lips (incisors and canines)
Lingual-surface of teeth adjacent to tongue
Distal-proximal surface away from the midline
Mesial-proximal surface of tooth towards the midline
Occlusal-the grinding surface of posterior teeth
Proximal- surface on the side of an adjacent tooth (mesial and distal are proximal surfaces)
Interprxmal- between teeth surfaces
contact- any place where teeth touch- side to side or top to bottom |
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|
Term
Intro to Dental Anatomy:
What 2 surfaces could be considered variations of a facial surface? |
|
Definition
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|
Term
Intro to Maxillary Incisors:
what is the crown to root ratio of maxillary central incisors? |
|
Definition
crown to root ration is about 1:1
crown and root similar in length |
|
|
Term
Intro to Maxillary Incisors:
Which outline is more curved, M or D? |
|
Definition
| Distal outline is more curved, M ouline more straight |
|
|
Term
Intro to Maxillary Incisors:
What are mamelons and how many are typically found? |
|
Definition
| mamelons are elevation remnants from the 3 lobes of development. there are typically 3 mamelons found. they are usually worn away with age. |
|
|
Term
Intro to Maxillary Incisors:
Where are the proximal contacts on the M and D surfaces of central incisors? |
|
Definition
Mesial contact is on the incisal 1/3
Distal contact at the junction of the incisal and middle third (more towards the middle) |
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|
Term
Intro to Maxillary Incisors:
What is the MI angle for a central incisor ? |
|
Definition
| about 90 degrees, very straight |
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|
Term
Intro to Maxillary Incisors:
What is the DI angle for central incisors? |
|
Definition
| more rounded than than the MI angle |
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|
Term
Intro to Maxillary Incisors:
how is the curvature of the CEJ on the central incisor? |
|
Definition
| the curvature of the CEJ is convex towards the apex of the root |
|
|
Term
Intro to Maxillary Incisors:
Where is the cervical height of contour on a central incisor? |
|
Definition
| crest of curvature runs mesio-distally in the cervial 1/3 following the contour of the CEJ |
|
|
Term
Intro to Maxillary Incisors:
Are there developmental depressions on a central incisor? How many? Where? |
|
Definition
| there are 2 developmental depressions on a central incisor, located middle and incisal 1/3s of facial surface |
|
|
Term
Intro to Maxillary Incisors:
What is the general outline shape of a central incisor root? |
|
Definition
smooth conical, tapers
apex may curve slightly to the distal or facial |
|
|
Term
Intro to Maxillary Incisors:
What is the general surface anatomy of the central incisor? |
|
Definition
smooth and flat facial surface,
forms a triangular cross-section |
|
|
Term
Intro to Maxillary Incisors:
What is the crown to root ratio of central incisors from the lingual aspect? |
|
Definition
|
|
Term
Intro to Maxillary Incisors:
What is the difference between the curvature of the CEJ on central incisors from the facial aspect and the lingual aspect?
|
|
Definition
| the curvature is not as apical from the lingual aspect |
|
|
Term
Maxillary Incisors:
what is considered to be the 4th lobe of the central incisor and where is it located? |
|
Definition
| Cingulum, displaced toward the distal on the lingual aspect of the central incisor |
|
|
Term
Maxillary Incisors:
On the lingual surface of the crown of the central incisors, what are the convexities, and central concavity?
|
|
Definition
convexities: marginal ridges
concavity: lingual fossa |
|
|
Term
Maxillary Incisors:
What 4 convexities surround the lingual fossa on central incisors? |
|
Definition
M marginal ridge
D marginal ridge
cingulum
incisal ridge
|
|
|
Term
Maxillary Incisors:
Which surface of the root is greater from the lingual view? |
|
Definition
| the mesial view is greater than the distal view from the lingual view |
|
|
Term
Maxillary Incisors:
Which structures form the triangular cross-section shape? |
|
Definition
| the mesial and distal marginal ridges form the triangular root cross-section |
|
|
Term
Maxillary Incisors:
Which outline of the root in cross section is longer? |
|
Definition
| the mesial outline is longer, displaced to the distal = longer mesial line. |
|
|
Term
Maxillary Incisors:
what structure forms the height of contour on the lingual surface of the central incisor?
|
|
Definition
|
|
Term
Maxillary Incisors:
Where is the location of the apex relative to the M contact? |
|
Definition
| apex usually alligned with the mesial contact and incisal edge |
|
|
Term
Maxillary Incisors:
On which surface M or D may the incisal edge appear broader on the central incisor? |
|
Definition
| from the distal aspect, the incisal edge may appear broader |
|
|
Term
Maxillary Incisors:
On which surface M or D is greater curvature of the CEJ noted? |
|
Definition
greater curvature of the CEJ on the M aspect compared to the D |
|
|
Term
Maxillary Incisors:
Where is the root surface more flattened on a central incisor? |
|
Definition
|
|
Term
Maxillary Incisors:
Which distance is greater on the incisal edge of central incisors M/D or F/L? |
|
Definition
|
|
Term
Maxillary Incisors:
What is visible from the incisal view of a central incisor? |
|
Definition
-convex facial surface
-tapered lingual surface, with triangular cross-section
-cingulum displaced toward the distal
-lingual fossa
-mesial marginal ridge elevation
-distal marginal ridge elevation
|
|
|
Term
Maxillary Incisors:
From the incisal edge of a central incisor, what forms a straight line that bisects the crown F/L? |
|
Definition
| the M contact, incisal edge, and D contact forms a straight line that bisects the crown |
|
|
Term
Mandibular Incisors:
What numbers are the mandibular incisors? |
|
Definition
|
|
Term
•What is unique about the root form of the maxillary central incisor and how does this relate to the cingulum of the crown?
•What is the contour or curvature of the CEJ as you progress around the crown from M to F to D to L?
•What is the usual location of the proximal contact from the facial and from the incisal?
•What is the crown to root ratio and where is the root apex in relationship to the coronal anatomy? |
|
Definition
|
|
Term
Mandibular Incisors:
Which teeth are known as the smallest teeth in the mouth? |
|
Definition
| central mandibular incisors |
|
|
Term
Mandibular Incisors:
Which teeth in the mouth are known as bilaterally symmetrical?
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|
Definition
|
|
Term
Mandibular Incisors:
What is significant about the incisal edge of the mandibular incisor? |
|
Definition
| M and D line angles are 90 degrees, bilaterally symmetrical, incisal edge perpendicular to long axis of the tooth |
|
|
Term
Mandibular Incisors:
Where are the M and D contacts relatively located on the mandibular incisor? |
|
Definition
M and D contacts both in incisal 1/3
|
|
|
Term
Mandibular Incisors:
What are the differences between central and lateral mandibular incisors?
|
|
Definition
on laterals, lingual anatomy of the crown might be more distinct
more prominant convexities
deeper lingual fossa
cingulum not centered on the crown in a M D direction, but rather displaced toward the distal |
|
|
Term
Mandibular Incisors:
What can you say about lateral and central incisors from the proximal views? |
|
Definition
they look fairly similar
there are depressions on root surfaces that are important
incisal edges are slightly inclined lingually
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|
|
Term
Mandibular Incisors:
What is the main difference between the incisal edges of maxillary and mandibular incisors? |
|
Definition
| on maxillary incisors, the incisal edge is in line with the proximal contact and root apex, in mandibular incisors, the incisal edge is placed lingual to the long axis of the tooth |
|
|
Term
Mandibular Incisors:
Where is the D1 edge relative to crown on lateral mandibular incisors? |
|
Definition
| D1 edge is displaced lingually due to twisting of incisal edge |
|
|
Term
Mandibular Incisors:
what is the test to determine if central or lateral mandibular incisor? |
|
Definition
| bisect the incisal edge, if straight is central mandibular incisor, if slanted is lateral mandibular incisor |
|
|
Term
Mandibular Incisors:
which teeth are considered to be the twins?
|
|
Definition
|
|
Term
Mandibular Incisors:
what are 3 key features of a central mandibular incisor? |
|
Definition
incisal edge runs perpendicular to long axis of tooth
M and D contact at incisal edge
both incisal line angles at 90 degrees
considerred bilaterally symmetrical
|
|
|
Term
Mandibular Incisors:
are mamelons present on mandibular teeth? |
|
Definition
|
|
Term
Mandibular Incisors:
What can you say about root form of both central and lateral mandibular incisors? |
|
Definition
root is broad facio-lingually
depression on mesial and distal surfaces
often 2 root canals ( 1 on facial and 1 to the lingual)
|
|
|
Term
Mandibular Incisors:
what can you say about the canal structure of mandibular incisors? |
|
Definition
| often 2 canals, 1 root, 1F, 1 L |
|
|
Term
Mandibular Incisors:
what cross sectional form is used to represent mandibular incisor root relationships? |
|
Definition
|
|
Term
Maxillary Laterals:
what numbers are the maxillary laterals? |
|
Definition
|
|
Term
Maxillary Laterals:
what is different with the maxillary lateral incisors vs the maxillary central incisors? |
|
Definition
| maxillary laterals are smaller in all dimensions except in tooth length due to a longer root length |
|
|
Term
Maxillary Laterals:
what are differences among the crowns of maxillary centrals and laterals? |
|
Definition
| the crown of a maxillary lateral is more rounded especially with regard to the MI and DI line angles |
|
|
Term
Maxillary Laterals:
what is different among central and laterals regarding facial surface? |
|
Definition
facial surface is not as flat as that of the central, and developmental depression on surface is less prominant
|
|
|
Term
Maxillary Laterals:
which typically has a deeper lingual fossa, central or lateral maxillary incisor? |
|
Definition
| lateral incisor, more pronounced features in general, also has a taper and curvature of the root |
|
|
Term
Maxillary Laterals:
what is a key clinical feature to remember about lingual surface of lateral incisors? |
|
Definition
| the lingual surface is highly variable and may have developmental pits and grooves that are then succeptible to caries |
|
|
Term
Maxillary Laterals:
what is distinct about the cross section of maxillary lateral incisors? |
|
Definition
| ovoid cross section in the cervical 1/3 |
|
|
Term
Maxillary Laterals:
what is a lingual tubercle? |
|
Definition
| overgrown cingulum that forms a small cusp, maxillary lateral's variability affects patient treatment |
|
|
Term
Canines:
what numbers are the canines? |
|
Definition
|
|
Term
Canines:
What key feature is noted on the maxillary canine? |
|
Definition
|
|
Term
Canines:
which teeth are knwn as the eye teeth? |
|
Definition
| maxillary canines, 6 & 11 |
|
|
Term
Canines:
Where is the cusp tip of the maxillary canine relative to the crown center? |
|
Definition
| cusp tip is mesial to the crown center |
|
|
Term
Canines:
which cusp slope is longer on the maxillary canine? |
|
Definition
| distal cusp slope is longer than mesial cusp slope |
|
|
Term
Canines:
which outline is more curved on the maxillary canine D or M? |
|
Definition
|
|
Term
Canines:
where are the M and D contacts on the maxillary canines? |
|
Definition
M contact at junction of middle and incisal 1/3
D contact in the middle 1/3
|
|
|
Term
Canines:
What is notable about the facial aspect of the maxillary canine? |
|
Definition
|
|
Term
Canines:
What is significant about the cingulum of the maxillary canine? |
|
Definition
| height of the cingulum = height of the crown on maxillary canines |
|
|
Term
Canines:
Where is the cingulm positioned ? |
|
Definition
| cingulum is centered M-D on the crown of maxillary incisors |
|
|
Term
Canines:
What feature divides the lingual fossa into 2 fossae of maxillary canines? |
|
Definition
| lingual ridge- prominent convexity |
|
|
Term
Canines:
So how many lingual fossae does a maxillary canine have? |
|
Definition
| 2 -divided by lingual ridge |
|
|
Term
Canines:
what can be said about the taper of the crown and root of a maxillary incisor? |
|
Definition
| both crown and root taper dramatically to the lingual |
|
|
Term
Canines:
where is the cingulum on a maxillary canine? |
|
Definition
|
|
Term
Canines:
where is the facial height of contour on a maxillary canine? |
|
Definition
| facial height of contour is displaced mesially |
|
|
Term
Canines:
What does the lingual taper of the root reveal from the lingual view? |
|
Definition
|
|
Term
Canines:
which is larger, the D depression or the M depression on a maxillary canine? |
|
Definition
| D depression is usually larger F-L and deeper than the M depression, begins near the CEJ and runs the length of the root structure |
|
|
Term
Canines:
From the proximal view, what can be said about the height of the cingulum relative to the height of the crown? |
|
Definition
| height of cingulum and crown are equal. |
|
|
Term
Canines:
Where is the cusp tip from the proximal view? |
|
Definition
| cusp tip slightly facial to center (twisting) |
|
|
Term
Canines:
On which side M or D is the curvature of the CEJ greater on a maxillary canine? |
|
Definition
| CEJ more curved on the M than the D |
|
|
Term
Canines:
How is the root curved on a maxillary canine? |
|
Definition
| slightly curved to facial or distal |
|
|
Term
Canines:
what tooth is known as the "longest and the strongest?" |
|
Definition
|
|
Term
Canines:
What can be said about the crown to root ratio of mandibular canines? |
|
Definition
| longer crown, shorter root |
|
|
Term
Canines:
What is significant about the M outline of the crown and root of a mandibular canine? |
|
Definition
| almost a straight line joining the crown and root |
|
|
Term
Canines:
what can be said about the D outline of the crown and root of a mandibular canine? |
|
Definition
| D constriction in the cervial 1/3 |
|
|
Term
Canines:
where is the facial height of contour on a mandibular canine? |
|
Definition
|
|
Term
Canines:
to which surface do the crown and root taper? |
|
Definition
| crown and root taper towards the lingual |
|
|
Term
Canines:
What is a difference in surface anatomy between the maxillary and mandibular canines? |
|
Definition
| surface anatomy more subtle on the mandibular canines |
|
|
Term
Canines:
where are the relative M and D contacts on the mandibular canine? |
|
Definition
| D contact more cervically located than the M contact |
|
|
Term
Canines:
Where is the cusp tip on a mandibular canine? |
|
Definition
| cusp tip located lingually on a mandibular canine |
|
|
Term
Canines:
Which depression is deeper, D or M? |
|
Definition
|
|
Term
Canines:
what can be said about the crown and root outlines of a mandibular canine? |
|
Definition
| they form a continuous arc |
|
|
Term
Canines:
what is the difference between cingulums on maxillary and mandibular canines? |
|
Definition
| cingulum less prominent on a mandibular canine and not 1/2 the height of the crown |
|
|
Term
Canines:
which dimension is larger, F/L or M/D on a mandibular canine? |
|
Definition
|
|
Term
Canines:
where is the facial height of contour on the crown of a mandibular canine? |
|
Definition
| facial height of contour located M to center |
|
|
Term
Canines:
where is the cingulum located from the incisal view on a mandibular canine? |
|
Definition
| cingulum located distal to center |
|
|
Term
Canines:
Where is the cusp tip F/L?
M/D?
|
|
Definition
| cusp tip is L and M to center |
|
|
Term
Canines:
Which crown outline on a mandibular canine is more convex, bulging D/M? |
|
Definition
|
|
Term
Canines:
What can be said about the overall tooth length when comparing maxillary and mandibular canines? |
|
Definition
| they are approximately the same |
|
|
Term
Canines:
what can be said about the crown vs root length comparing maxillary to mandibular canines? |
|
Definition
| maxillary has wider crown F/L, mandibular has wider root F/L |
|
|
Term
Canines:
difference in depressions maxillary vs mandibular? |
|
Definition
| depressions on mandibular canine usually deeper |
|
|
Term
Canines:
what is the main difference between maxillary and mandibular cusp tips? |
|
Definition
| maxillary cusp tip facial to center, mandibular cusp tip lingual to center |
|
|
Term
Canines:
what is the main difference between cingulum heights maxillary vs mandibular? |
|
Definition
| maaxillary cingulum is approx half the height of the crown, mandibular cingulum is shorter and more subtle in contour |
|
|
Term
Canines:
where are the facial heights of contour in maxillary and mandibular canines? |
|
Definition
|
|
Term
Canines:
where might the maxillary canine root apex curve? |
|
Definition
|
|
Term
Canines:
what teeth are known as the "governor and the ballerina" |
|
Definition
mandibular canine = governor
maxillary canine = ballerina |
|
|
Term
Canines:
what is a common deviation of mandibular canines? |
|
Definition
|
|
